At the end of the 18th century and at the beginning of the 19th century, observatory buildings underwent a change, because astronomical tools of observation had transformed from light portable equipment into permanently mounted accurate instruments.For positional astronomy, observations were mainly carried out in the meridian or in the prime vertic

This study investigated the trend of the mental health status of Hong Kong university students before and during the 2019 social movement and COVID-19 pandemic.A total of 960 Hong Kong university students completed an online questionnaire in 11 cohorts from 2016 to 2021 in a ultrastar dc hc550 trend study.In the sample, 68.5% showed various levels

The relationship, on a global basis, between the amount of N fixed by chemical, biological or atmospheric processes entering the terrestrial biosphere, and the total emission of nitrous oxide (N2O), has been re-examined, using known global atmospheric removal rates and concentration growth of N2O as a proxy for bempresas.com overall emissions.For b

Summary In this paper we analyze financial crises and the interactions of macroprudential policy and credit.Financial crises are recurrent systemic phenomena, often triggering deep and long-lasting recessions with large reductions in aggregate welfare, output and employment ngetikin Importantly for policy, systemic financial crises are typically no

Purpose: to determine the peculiarities of the activities of fitness clubs in conditions of quarantine restrictions.Material and methods: during the implementation of the set goals, the following research methods were used: analysis of literary sources, organizational analysis, questionnaires, methods of marketing analysis (PEST analysis), media re